New human-related challenges – providing ready access and easy mobility for the elderly and physically challenged to all structures. Technologies … More

This is a continuation of the story about Bridges. Here are many more interesting examples of bridges Lujiazui Circular Pedestrian … More

In 1965, DuPont chemist Stephanie Kwolek set out to develop a material for tires, but she inadvertently created something five … More

Poly Chlorinated Biphenyls (PCBs) – A family of 209 chlorine-based compounds with a similar chemical structure. They were used for … More

A prosthesis is an artificial limb (an artificial substitute) that replaces a missing leg or arm due to disease, accidents, … More

Reduce, Reuse, Recycle Recycling is the process of collecting and processing materials that would otherwise be thrown away as trash … More

Cloth, textile or fabric are similar names for manufactured material. They are made by weaving or knitting fibres together. Cloth … More

Anatomy of a Firework – amazing interactive image with labels and descriptions Fireworks put on a dazzling, colorful chemical show. … More

Electricity is the flow of electrical power or charge. It is both a basic part of nature and one of … More

Electricity, late 19th century Electricity – a general term that covers a variety of phenomena resulting from the presence and … More

electromagnetic radiation – Energy travels throughout the universe at the speed of light. It does so in the form of … More

The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic … More

Electric vehicle – uses one or more electric motors or traction motors for propulsion. Three main types of electric vehicles … More